[HTML][HTML] Advanced modeling approaches for CFD simulations of coal combustion and gasification

C Hasse, P Debiagi, X Wen, K Hildebrandt… - Progress in Energy and …, 2021 - Elsevier
Coal is the most abundant fossil fuel and is widely used as an energy source for combustion
and gasification. Both experimental methods and computational tools are required for the …

Numerical approaches and comprehensive models for gasification process: A review

A Ramos, E Monteiro, A Rouboa - Renewable and Sustainable Energy …, 2019 - Elsevier
Nowadays, gasification is seen as a worldwide settled technique for sustainably generating
energy from residues. Its final product is a synthetic gas which may be used for several …

A review of recent studies of the CFD modelling of coal gasification in entrained flow gasifiers, covering devolatilization, gas-phase reactions, surface reactions …

J Mularski, H Pawlak-Kruczek, N Modlinski - Fuel, 2020 - Elsevier
The development and employment of comprehensive combustion/gasification models for the
optimum selection of process conditions and gasification parameters, especially for …

Review of 30 years of research using the chemical percolation devolatilization model

TH Fletcher - Energy & Fuels, 2019 - ACS Publications
The chemical percolation devolatilization (CPD) model for coal pyrolysis was first published
in 1989, and a completed version that included the vapor–liquid equilibrium model and …

Co-gasification of coal and biomass wastes in an entrained flow gasifier: Modelling, simulation and integration opportunities

DA Ali, MA Gadalla, OY Abdelaziz, CP Hulteberg… - Journal of Natural Gas …, 2017 - Elsevier
Gasification processes convert carbon-containing material into syngas through chemical
reactions in the presence of gasifying agents such as air, oxygen, and steam. Syngas …

Resolved flow simulation of pulverized coal particle devolatilization and ignition in air-and O2/CO2-atmospheres

GL Tufano, OT Stein, A Kronenburg, A Frassoldati… - Fuel, 2016 - Elsevier
A resolved laminar flow simulation approach is used to investigate the effect of enhanced
oxygen levels on single coal particle ignition, comparing the numerical results against …

Heat and mass transfer within thermogravimetric analyser: From simulation to improved estimation of kinetic data for char gasification

S Schulze, P Nikrityuk, Z Abosteif, S Guhl, A Richter… - Fuel, 2017 - Elsevier
Thermogravimetric analysis is a standard experimental method to determine kinetic data for
heterogeneous coal char reactions. However, it is necessary to implement a sample holder …

Effects of operating conditions and reactor structure on biomass entrained-flow gasification

X Ku, J Wang, H Jin, J Lin - Renewable Energy, 2019 - Elsevier
Abstract A Eulerian-Lagrangian CFD model is utilized to investigate the effects of three
different factors on biomass entrained-flow gasification, including the gasifying medium …

Numerical investigation of swirl-stabilized pulverized coal flames in air and oxy-fuel atmospheres by means of large eddy simulation coupled with tabulated chemistry

H Nicolai, X Wen, FC Miranda, D Zabrodiec… - Fuel, 2021 - Elsevier
This paper investigates a self-sustained swirl-stabilized pulverized coal combustion
chamber, specially designed to validate numerical models under atmospheric and oxy-fuel …

Numerical and experimental study of heavy oil gasification in an entrained-flow reactor and the impact of the burner concept

A Bader, M Hartwich, A Richter, B Meyer - Fuel Processing Technology, 2018 - Elsevier
This work studies the heavy oil gasification experimentally and numerically. The
experimental investigations use the semi-industrial test facility HP POX (High Pressure …